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CVE-2021-38337

MEDIUM 6.1 CVSS 3.1
Published
September 10, 2021
Last modified
June 17, 2026
NVD status
Modified
Reported by
security@wordfence.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Description

The RSVPMaker Excel WordPress plugin is vulnerable to Reflected Cross-Site Scripting due to a reflected $_SERVER["PHP_SELF"] value in the ~/phpexcel/PHPExcel/Shared/JAMA/docs/download.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 1.1.

Affected WordPress components

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • RSVPMaker Excel RSVPMaker Excel — From 1.1 (including) to 1.1 (including)
  • carrcommunications rsvpmaker_excel — Up to and including 1.1

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/rsvpmaker-excel/tags/1.2/phpexcel/PHPExcel/Shared/JAMA/docs/download.php#L61 Exploit, Third Party Advisory
  • www.wordfence.com https://www.wordfence.com/vulnerability-advisories/#CVE-2021-38337 Third Party Advisory
  • nvd.nist.gov Official NVD record